drones are being considered by law enforcement as a cost-cutting way to use technology to fight crime and save lives. stephanie is live with the details. there are fears that the use of these drones could be an invasion of privacy. >> reporter: that's right, concerns over privacy sand civil rights. the sheriff's office is the one dringing this idea up, and it is very preliminary at this point. but here is a picture of a thrown that they tested just two months ago, that the office tested two months ago. a handful of law enforcement agencies in the country have gotten federal approval to use them. and if the sheriff's office does so, it would be the first in california. >> you'll be able to see what the drone is seeing as it's flying. >> reporter: at four pounds and four feet wide, this drone gets a bird's-eye view that officers on the ground are often blind to. >> it can save lives. >> reporter: in this demonstration in dub lick, it's a man standing in the shadows on a roof top with explosives in his reach. >> near priceless. it's valuable to any officer, as you're setting up your peri